发明授权
US3489848A Facsimile semi-automatic adjustable tapped delay line equalizer
失效
FACSIMILE半自动可调TAPPED DELAY LINE EQUALIZER
- 专利标题: Facsimile semi-automatic adjustable tapped delay line equalizer
- 专利标题(中): FACSIMILE半自动可调TAPPED DELAY LINE EQUALIZER
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申请号: US3489848D申请日: 1966-08-25
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公开(公告)号: US3489848A公开(公告)日: 1970-01-13
- 发明人: PERREAULT DONALD A
- 申请人: XEROX CORP
- 专利权人: Xerox Corp
- 当前专利权人: Xerox Corp
- 优先权: US57513466 1966-08-25
- 主分类号: H04L25/03
- IPC分类号: H04L25/03 ; H04N1/00 ; H04N1/40 ; H04N1/409 ; H04N1/38
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